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bl blbl BL8301 8301 8301 8301 ? ? ? ? http://www.belling.com.cn - 1 - 8/8/2006 total 10 pages BL8301 BL8301 BL8301 BL8301 ? ? ? ? ?? ?? ?? ?? ???? ???? ???? ? esd ? ? ? ? 1. BL8301 ??? ??????? ???? 1us 2. BL8301 ?????? ??????? ???? 3. BL8301 ?????????? / ???????? ?????? 4. BL8301 ? 11.4v ????? < 600 ua ? 5. BL8301 ????? 6. BL8301 ???? 14 dip sop ??? esd ???
bl blbl BL8301 8301 8301 8301 ? ? ? ? http://www.belling.com.cn - 2 - 8/8/2006 total 10 pages ??? ??? ??? ???
bl blbl BL8301 8301 8301 8301 ? ? ? ? http://www.belling.com.cn - 3 - 8/8/2006 total 10 pages ? 1 vcc ? 2 vdc 11.4v ? 3 rpre ??? 4 rt 5 ct 6 cpre ??? 7 poff ??? 8 gnd ? 9 pro 10 ld3 ? 3 11 ld2 ? 2 12 ld1 ? 1 13 out2 2 14 out1 1
bl blbl BL8301 8301 8301 8301 ? ? ? ? http://www.belling.com.cn - 4 - 8/8/2006 total 10 pages ??? ??? ??? ??? ? ? ? ? ??? ? gnd gnd=0v ?????
bl blbl BL8301 8301 8301 8301 ? ? ? ? http://www.belling.com.cn - 5 - 8/8/2006 total 10 pages ? ? vcc ? --- 30 v ivcc --- 200 ma vout1 out1 ? 0 vcc v iout1 out1 --- 200 ma vout2 out2 ? 0 vcc v iout2 out2 --- 200 ma v rpre ????? 1 8 v i rt ? --- 1 ma v pro ?? -0.3 vcc v v ld1 ? 1 ?? -0.3 vcc v v ld2 ? 2 ?? -0.3 vcc v t j -55 150 t s ? -55 150 t l ???? 10 ? --- 300 ? ? ? ? ? ? vcc ? 15 25 v v rpre ????? 4 7 v i rt ? 20 200 ua v pro ?? 0 vcc v v ld1 ? 1 ?? 0 vcc v v ld2 ? 2 ?? 0 vcc v tj -40 125 ta=25 vcc=15v rpre1=10k rpre2=100k rt=100k ct=510pf cpre=0.047uf vpro=0.6v ld1 = 5.7v v ld2 =5.7v v ld3 =5.7v ? ? ? vccon ?C? 13 14 15 v vcc 0v vccoff ??? 4 4.5 5 v vcc 15v ? vdc ???? 11.0 11.4 11.8 v vcc=15-30v i vdc ??? 10 ma vcc=15-30v i qstart ??? --- --- 600 ua vcc bl blbl BL8301 8301 8301 8301 ? ? ? ? http://www.belling.com.cn - 6 - 8/8/2006 total 10 pages ? i qfault ??? ? --- --- 600 ua pro > 0.7v ld1 < 4.0v ld1 > 7.4v ld2 < 4.0v ld2 > 7.4v ld3 < 4.0v ld3 > 7.4v i qvcc ? --- 2.5 --- ma out1 out2 v vccoff ??? --- 2 --- v vcc 15v ? 40 --- 80 khz fosc ? --- 45 --- khz rt=100k ct=510pf v ct ????? 4.5 6.9 v fosc = 45 khz df/dvcc ? / ?? --- 0.05 --- %/v 15v < vcc< 25v df/dt ? / ?? --- 0.02 --- %/ -40 < tj < 125 ? ? ? ? i cprecharge cpre ? --- 0.4 --- ua i cpredischarge cpre ?? --- 5 --- ua v cpreign cpre ??? --- 6 --- v tpre ?? 1 s cpre = 0.047uf tign ??? 100 ms cpre = 0.047uf v cprefault ??? cpre ?? --- 0 --- v 1.1 --- 1.8 --- fpre/fing ? / ?? --- 1.5 --- --- rpre1=rpre2=100k vout1p-p out1 ? d? 9 --- --- v iou1 > 200ma iout1 out1 ( ? ) 200 --- --- ma vout1p-p > 9v vout2p-p out2 ? d? 9 --- --- v iou2 > 200ma iout2 out2 ( ? ) 200 --- --- ma vout2p-p > 9v v pro ?? 0.65 0.7 0.75 v v ld1up ? 1 ?? 7.3 7.4 7.5 v v ld1dn ? 1 ?? 3.9 4.0 4.1 v v ld2up ? 2 ?? 7.3 7.4 7.5 v v ld2dn ? 2 ?? 3.9 4.0 4.1 v
bl blbl BL8301 8301 8301 8301 ? ? ? ? http://www.belling.com.cn - 7 - 8/8/2006 total 10 pages v ld3up ? 3 ?? 7.3 7.4 7.5 v v ld3dn ? 3 ?? 3.9 4.0 4.1 v BL8301 BL8301 BL8301 BL8301 ??? ??? ??? ??? 1 ? ? ? ? ? 1 ?? ? 1 ?? ic ????????? +dc bus ? rstart c1 ?? cpre ? 0v ? rstart ?? ic ?? iqstart ? c1 ? rstart ???? ? rstart ? iqstart c1 ???? ic ?C ? vccon ? ic ???? ? ic ?? l2 ?? d1 1n4148 ??? r1 10 ? ? ???? c1 ??? 10uf ? 2 ?? vcc ???
bl blbl BL8301 8301 8301 8301 ? ? ? ? http://www.belling.com.cn - 8 - 8/8/2006 total 10 pages 2 ??? ??? ??? ??? ??????? fpre ?? cpre ? icprecharge cpre ???? vcpreign ? ic ?? ?? tpre ? cpre tpre = vcpreign * cpre / icprecharg ??? fpre ? rpre1 rpre2 ?? fpre = n * fing * 1 2 rpre rpre ? 3 ?F?? 3 ?? ?? ?? ?? ???? cpre ? icpredischarge ??????? ? fpre ? fing ?? ? tign = 0.1 * tpre 4 ?? ?? ?? ?? ???? fpre ??? fing ? ic ?????? ?? fing ? fing ? rt ? ct fing = m * rt * ct 5 ??? ??? ??? ??? ic ??? pro 9 ? ld1(12 ) ld2(11 ) ld3(10 )
bl blbl BL8301 8301 8301 8301 ? ? ? ? http://www.belling.com.cn - 9 - 8/8/2006 total 10 pages pro ? ic ???? pro ????? vpro (0.7v) ic ??? ld1 ld2 ld3 ?????? 7.4v ? 4.0v ? ??? 550k ? 5.7v ???????? 1s ?? 1s ?? ???? ????? 7.4v ? 4.0v ? ic ??? ic ??????? ic ???? vcc ? 1 ???? ic ??? +dc bus ?? vcc ??? rstart ?? 30v ????? ?? vcc ????? ic ??? 6 ?????? ?????? ?????? ?????? ic ????? ???? poff ??????? 1s ?? poff ??? 15ma ???? k ??? ??? ? 6 poff ??????
bl blbl BL8301 8301 8301 8301 ? ? ? ? http://www.belling.com.cn - 10 - 8/8/2006 total 10 pages 7 ??? ??? ??? ??? ?????? ???? ?????? ? 7 ?? ntc ? rt ?? ??? ntc ????????? ? 7 ??

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